551353353155 has 32 divisors (see below), whose sum is σ = 725114654208. Its totient is φ = 399129120000.

The previous prime is 551353353143. The next prime is 551353353157.

It is a happy number.

551353353155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 551353353155 - 2¹⁰ = 551353352131 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551353353157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22862834 + ... + 22886936.

It is an arithmetic number, because the mean of its divisors is an integer number (22659832944).

Almost surely, 2^551353353155 is an apocalyptic number.

551353353155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551353353155 is a deficient number, since it is larger than the sum of its proper divisors (173761301053).

551353353155 is a wasteful number, since it uses less digits than its factorization.

551353353155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26027.

The product of its digits is 1265625, while the sum is 44.

The spelling of 551353353155 in words is "five hundred fifty-one billion, three hundred fifty-three million, three hundred fifty-three thousand, one hundred fifty-five".